Doctor profile · Federal record

Dr. Ashley Tiemeyer Theisen, PA-C

Physician Assistant · Holland, MI

  • NPI 1770103210
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
602 Michigan Ave Ste 102
Holland, MI 494234918
(616) 494-8724
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
August 26, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601009787

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770103210. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
227
Distinct HCPCS
5
Medicare allowed
$18,619
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 119 106 $104
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 50 46 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 24 23 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 11 $100
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $138

In context: peer comparison

Among 14 peers in this city , average services per provider: 47. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
645
Patients
229
Total drug cost
$55,656
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 119 37 $3,312
Metoprolol Succinate Generic 77 39 $1,191
Amlodipine Besylate Generic 67 29 $609
Ezetimibe Generic 60 13 $1,664
Atorvastatin Calcium Generic 49 19 $772
Clopidogrel (Clopidogrel Bisulfate) Brand 39 11 $706
Losartan Potassium Generic 37 15 $442
Eliquis (Apixaban) Brand 35 18 $29,933
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 26 0 $1,134
Nitroglycerin Generic 26 23 $259

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Tiemeyer Theisen's medical specialty?
Dr. Ashley Tiemeyer Theisen practices Physician Assistant in Holland, MI.
Where does Dr. Ashley Tiemeyer Theisen practice?
Dr. Ashley Tiemeyer Theisen practices at 602 Michigan Ave Ste 102, Holland, MI 494234918. Office phone: 6164948724.
What is Dr. Ashley Tiemeyer Theisen's NPI?
Dr. Ashley Tiemeyer Theisen's National Provider Identifier (NPI) is 1770103210, issued by NPPES.
Does Dr. Ashley Tiemeyer Theisen accept Medicare assignment?
Yes. Dr. Ashley Tiemeyer Theisen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Tiemeyer Theisen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.